Tell whether the sequence is arithmetic. if it is, what is the common difference?
a. -6,2,10,18,
b. 1,2,4,8,

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.